As local, federal, and international policies targeting the quality of the air we breathe continue to evolve, questions arise of how effective existing policies have been in improving human health.

For many years, China has been struggling to tackle high pollution levels that are crippling its major cities. 

More than one in 10 people in the world lack basic drinking water access.

More than 5.6 million Americans are potentially exposed to nitrate in drinking water at levels that could cause health problems, according to a new study.

There is a consistently high level of public support across nations for a global carbon tax if the tax policy is carefully designed, according to a survey of people in the United States, India, the United Kingdom, South Africa and Australia.

A low-cost, versatile type of charcoal known as biochar can be tailored for specific uses including treating water, removing contaminants from soil and even storing carbon, according to new research by University of Alberta scientists.

Keeping road pavement in good shape saves money and energy and reduces greenhouse gas emissions, more than offsetting pollution generated during road construction, according to a Rutgers-led study.

U of T Engineering researchers have examined dust from homes in Fort McMurray, Alta., for evidence of harmful toxins left in the aftermath of the devastating 2016 wildfire. 

After early reports of microplastic pollution in our oceans and beaches sounded the alarm, the global scientific community intensified its focus into this area. 

A study led by researchers at the ARC Centre of Excellence for Coral Reef Studies at James Cook University found fish become anxious and more cautious when water quality is degraded by sediment, an effect that could stunt their growth and damage their health.